Expression, Immanence and Constructivism: 'Spinozism' and Gilles Deleuze

This paper is an attempt to explicate the relationship between Spinozist expressionism and philosophical constructivism in Deleuze's work through the concept of immanent causality. Deleuze finds in Spinoza a philosophy of immanent causality used to solve the problem of the relation between substance, attribute and mode as an expression of substance. But, when he proceeds to take up this notion of immanent causality found in Spinoza in Difference and Repetition, Deleuze instead inverts it into a modal one such that the identity of substance may be said only of the difference of the modes. Complicating this further, Deleuze and Guattari claim in A Thousand Plateaus that substance, attribute, and mode are each, themselves, multiplicities. What is Philosophy? takes up immanent causality once again, this time through a constructivist lens aimed at resolving the question of the relation between philosophical multiplicities: 'plane,' 'persona,' and 'concept.' By following the different formulations of immanent causality in these works this essay hopes to discover the relationship between Spinozist expressionism and philosophical constructivism in Deleuze's work.